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    • 43. 发明授权
    • System and method for channel status information feedback in a wireless communications system
    • 无线通信系统中信道状态信息反馈的系统和方法
    • US08432885B2
    • 2013-04-30
    • US12423485
    • 2009-04-14
    • Young Hoon KwonYang TangTao Wu
    • Young Hoon KwonYang TangTao Wu
    • H04J3/00G01R31/08
    • H04B7/0626
    • A system and method for channel status information feedback in a wireless communications system is provided. A method includes receiving a transmission containing feedback information from a mobile station (MS) having N total antennas, M receive/transmit antennas, N−M receive-only antennas, wherein N and M are integers and N>M, decoding the received transmission, computing estimates of CSI for channel elements of N−M receive-only antennas using the decoded transmission, computing estimates of CSI for channel elements of M receive/transmit antennas using channel reciprocity, and computing a precoding matrix from the channel elements for the N−M receive-only antennas and the M receive/transmit antennas.
    • 提供了一种用于无线通信系统中的信道状态信息反馈的系统和方法。 一种方法包括从具有N个总天线的移动站(MS)接收包含反馈信息的传输,M个接收/发送天线,仅NM个接收天线,其中N和M是整数,并且N> M,解码所接收的传输,计算 使用解码的传输对NM接收天线的信道单元的CSI的估计,使用信道互逆计算M个接收/发射天线的信道单元的CSI的估计,以及从NM只接收天线的信道单元计算预编码矩阵 和M个接收/发射天线。